When you look at someone's face, you can still see their hand, even though you are not looking directly at it. When you are walking through a doorway, you are not looking at the sides, or looking directly at the threshold, but you see it through your peripheral vision. Anything outside of your direct focus spot, is considered peripheral. Which can be measured by "visual field examination".
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2

depends:
Most visual problems are due to a need for eyeglasses. Other causes are due to things like diabetes, cataracts and changes in the cornea. If you have dimming of vision, check with your ophthalmologist for diagnosis and treatment.
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3

Maybe so:
Computer programmers have needs that are different from other computer users. Age and need for glasses also play important roles. The stronger the prescription need, the more peripheral distortion exists. There are several glasses that come either with "blinders" or wrap-around lenses. Your optometrist or optician can likely build or modify a pair of glasses to accomplish your goal.
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6

Not likely:
Carrots might help with actual vitamin a deficiency - an extreme rarity in the usa. If your vision is impaired you need to have it evaluated and determine the remedy - eyeglasses, surgery, inherited problem, something needing medication? See your ophthalmologist for diagnosis and a proper path of treatment.
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Doubtful:
Sounds like you need a good eye examination by an ophthalmologist. I bet you can see well. You don't describe any actual eye disease so i suspect you just have inadequate glasses.
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11

For motion detection:
Central (macular) vision detects fine detail and colors. Peripheral vision has poor resolution but is highly sensitive to motion - it is your warning sensor for possible threats out of the center. Prisms affect both central and peripheral vision at the same time, so no prism will only change peripheral vision. Prisms are used to compensate for doubling; not a peripheral issue.
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12

No cure, C ur eye dr:
Depending on how extensive you're seeing these little flashes of light, you do want to see your eye doctor, and have this evaluated through a dilated funduscopic exam. S/he will be able to advise you further on this. They will be able to explain what's happening, diagnose properly, and then you will have peace of mind.
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14

"Stiff Focusing":
Accomodative inertia/spasm. As we get older, the flexible lens in our eye that is responsible for focusing at various distances becomes "stiff". Many patients as they reach age 40 will notice that it takes more effort to see at near. Some who can muster enough focusing power for near work will have trouble relaxing their focusing muscles to see at distance. Frequent breaks/ weak reading glasses.
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Usually it is fine:
You have defects in the central visual portion of your field of view - an area poorly outlined by most field testing devices. Field tests will define major defects which largely will register from the peripheral areas tested. Have you had a field tested in the past? Is there some condition being sought for with a field.? Your ophthalmologist would not order a field if he doubts the result.
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16

Wait:
Viral infection which causes pink eye run their course over 7 days. There is no specific cure. Only adjunctive supportive therapy is advocated. These include contact precautions, washing hands, cleaning eyes with warm water. Rose water may be helpful.
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17

None. Intermittent :
Exotropia is classified into 4 major types. Pediatric ophthalmologists look for other visual problems & recommend treatment to prevent " lazy eye" depending on their findings. Please watch this video: http://newsblog.Mayoclinic.Org/2008/11/25/eye-divergence-triples-mental-illness-risk/ & share it with your pediatrician. Early detection & treatment of any mental illness that may occur is important.
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20

Dark Circles:
Apply a paste made from a teaspoon of tomato juice, half teaspoon lemon juice, a pinch of turmeric powder and a pinch of gramflour. Keep it for 10 minutes. This is very effective and one of the famous home remedies for dark circles under eyes.
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Vision is a feature of a person's brain that allows him to see. He must have normal eyes, optic nerves (that stretch from the eyes to the back of his brain), and visual cortex (the vision center in the brain), in order to see properly. An ophthalmologist is a doctor specializing in vision.
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